US3262137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring assemblies
Assignee: Individual
•
Filing: 1964-03-03
•
Granted: 1966-07-26
•
Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald H Beckman
- 👤 Richard R Knittel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:59
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/047; A47C23/002; A47C27/00; A47C27/04; A47C27/06; A47C27/061; Y; Y10; Y10S; Y10S297/00; Y10S297/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A BELLOWS SPRING ASSEMBLY COMPRISING: A SUPPORT MEANS; A FLEXIBLE POLYMERIC LOCATOR SHEET ON SAID SUPPORT MEANS; SAID SHEET HAVING A PATTERN OF A PLURALITY OF LOCATOR PROTRUSIONS; EACH OF SAID PROTRUSIONS HAVING A SMALLER DIAMETER NECK AND A LARGER DIAMETER HEAD; A PLURALITY OF ELONGATED PROTUBERANCES EXTENDING AWAY FROM THE NECK OF SAID PROTRUSIONS; AND A PLURALITY OF HOLLOW RESILIENT BELLOWS SPRINGS ON SAID SUPPORT MEANS, EACH INTERFITTING WITH ONE OF SAID PROTRUSIONS AND RESTING
Claim 2
Dependent Claim
76 words
A BELLOWS SPRING ASSEMBLY COMPRISING: A SUPPORT MEANS; A FLEXIBLE POLYMERIC LOCATOR SHEET ON SAID SUPPORT MEANS; SAID SHEET HAVING A PATTERN OF A PLURALITY OF LOCATOR PROTRUSIONS; EACH OF SAID PROTRUSIONS HAVING A SMALLER DIAMETER NECK AND A LARGER DIAMETER HEAD; A PLURALITY OF ELONGATED PROTUBERANCES EXTENDING AWAY FROM THE NECK OF SAID PROTRUSIONS; AND A PLURALITY OF HOLLOW RESILIENT BELLOWS SPRINGS ON SAID SUPPORT MEANS, EACH INTERFITTING WITH ONE OF SAID PROTRUSIONS AND RESTING
References Cited (Backward Citations)
US2704600A
Cited
US2150747A
Cited
US2350711A
Cited
US2646166A
Cited
US2686006A
Cited
US2818974A
Cited
US2792112A
Cited
DE1148718B
Cited
US2897520A
Cited
US3081992A
Cited
US3171691A
Cited
US3201111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |